<template>
  <div>
    <svg-icon @click="changScreen" icon-class="fullscreen" style="color: #fff; width: 20px; height: 20px;"></svg-icon>
  </div>
</template>

<script>
import ScreenFull from 'screenfull'
export default {
   methods: {
    changScreen(){
        if (!ScreenFull.isEnabled) {
        // 此时全屏不可用
        this.$message.warning('此时全屏组件不可用')
        return
      }
      // document.documentElement.requestFullscreen()  原生js调用
      //   如果可用 就可以全屏
      ScreenFull.toggle()
    }
   }
}
</script>

<style>

</style>